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Finding the Fourth Proportional to 562,446,244.80, 843,669,367.20 and 153,543,729.60

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Solution

The fourth proportional to 562,446,244.80, 843,669,367.20 and 153,543,729.60 is: 230,315,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,446,244.80 : 843,669,367.20 = 153,543,729.60 : x
  2. Step 2: Convert to fraction form
    562,446,244.80/843,669,367.20 = 153,543,729.60/x
  3. Step 3: Cross multiply
    562,446,244.80x = 843,669,367.20 × 153,543,729.60
  4. Step 4: Simplify right side
    562,446,244.80x = 129,540,141,189,159,904
  5. Step 5: Solve for x
    x = 129,540,141,189,159,904/562,446,244.80
  6. Step 6: Final answer
    x = 230,315,594.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.